Browsing by Author Beck, R.
Showing results 1 to 2 of 2
| Issue Date | Title | Author(s) |
|---|---|---|
| 1951-07 | San Luis Range State of Falcón Geological Map. Parte I | Beck, R. |
| 1951 | San Luis Range State of Falcón Geological Map. Parte II | Beck, R. |